87492911 has 4 divisors (see below), whose sum is σ = 95446824. Its totient is φ = 79539000.

The previous prime is 87492907. The next prime is 87492919. The reversal of 87492911 is 11929478.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87492911 - 2² = 87492907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87492919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3976940 + ... + 3976961.

It is an arithmetic number, because the mean of its divisors is an integer number (23861706).

Almost surely, 2^87492911 is an apocalyptic number.

87492911 is a deficient number, since it is larger than the sum of its proper divisors (7953913).

87492911 is a wasteful number, since it uses less digits than its factorization.

87492911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7953912.

The product of its digits is 36288, while the sum is 41.

The square root of 87492911 is about 9353.7645362709. The cubic root of 87492911 is about 443.9400113066.

The spelling of 87492911 in words is "eighty-seven million, four hundred ninety-two thousand, nine hundred eleven".